Home / 54,196.74-81,321.03-19,152.90

Finding the Fourth Proportional to 54,196.74, 81,321.03 and 19,152.90

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Solution

The fourth proportional to 54,196.74, 81,321.03 and 19,152.90 is: 28,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,196.74 : 81,321.03 = 19,152.90 : x
  2. Step 2: Convert to fraction form
    54,196.74/81,321.03 = 19,152.90/x
  3. Step 3: Cross multiply
    54,196.74x = 81,321.03 × 19,152.90
  4. Step 4: Simplify right side
    54,196.74x = 1,557,533,555.49
  5. Step 5: Solve for x
    x = 1,557,533,555.49/54,196.74
  6. Step 6: Final answer
    x = 28,738.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.